Unable to input "@" at HP UX

https://www.unix.com/hp-ux/256104-after-using-line-breaks-particular-user-shell.html

// set to default values

stty sane

// change terminal control characters

stty erase "^h" intr "^c" kill "^u" susp "^z" eof "^d"

// see all values

stty -a